Headphone



FIG. 1 is a front perspective view of a headphone according to a first embodiment of the present invention;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a first side view thereof;

FIG. 5 is a second side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a front perspective view of a headphone according to a second embodiment of the present invention;

FIG. 9 is a front view thereof;

FIG. 10 is a rear view thereof;

FIG. 11 is a first side view thereof;

FIG. 12 is a second side view thereof;

FIG. 13 is a top view thereof;

FIG. 14 is a bottom view thereof;

FIG. 15 is a front perspective view of a headphone according to a third embodiment of the present invention;

FIG. 16 is a front view thereof;

FIG. 17 is a rear view thereof;

FIG. 18 is a first side view thereof;

FIG. 19 is a second side view thereof;

FIG. 20 is a top view thereof; and,

FIG. 21 is a bottom view thereof.

The broken lines depict portions of the headphone that form no part of the claimed design. 

CLAIM The ornamental design for a headphone, as shown and described. 